Edelbrock BB Chevy Performer RPM 454-O Cylinder Head - Assembled M59XL3 Universal plastic cap has a

Universal plastic cap has a simulated carbon fiber look and is wide enough to fit extended and 2-piece dirt roofs

Slim Design to Clear Most Headers & Other Accessories

8 Gear Set Capacity

Available in black

Performer Pontiac

Edelbrock BB Chevy Performer RPM 454-O Cylinder Head - Assembled M59XL3 Universal plastic cap has aCylinder Head Specifications: Combustion chamber volume: 110cc; Intake runner volume: 290cc; Exhaust runner volume: 110cc; Intake valve diameter: 2. 19"; Exhaust valve diameter: 1. 88"; Valve stem diameter: 11 32"; Valve guides: Manganese bronze; Deck thickness: 9 16"; Valve spring diameter: 1. 55"; Valve spring maximum lift: . 700"; Rocker stud: 7 16"; Guideplate: Hardened steel; Pushrod diameter: 3 8"; Valve angle: 26 ; Exhaust port location: Stock;